Hydrodynamic brake

Details Hydrodynamic brake Hydrodynamic brake

2005-08-02

2005-08-02

Siconolfi, Robert A. (Department: 3683)

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

C192S003340

Reexamination Certificate

active

06923301

ABSTRACT:
A hydrodynamic brake, which comprises a stator and a rotor which are coaxial and have respective opposed annular recesses which open toward each other to form a toroid-shaped space. A first medium is supplied to the space for providing braking action during rotation of the rotor. At least one injection member is arranged to supply a second medium to the toroid-shaped space for reducing the circulation of air in the toroid-shaped space when no brake action is desired. The second medium is supplied at at least one location to the toroid-shaped space with a pressure and in a direction which at least partly is directed towards the principal flow direction of the circulating air.

REFERENCES:
patent: 3072222 (1963-01-01), Kugel et al.
patent: 3774735 (1973-11-01), Hanke et al.
patent: 3888335 (1975-06-01), Hanke
patent: 4361211 (1982-11-01), Lindenthal
patent: 4458792 (1984-07-01), Thomas et al.
patent: 4773513 (1988-09-01), Herrmann et al.
patent: 5263320 (1993-11-01), Hall, III
patent: 5771997 (1998-06-01), Friedrich et al.
patent: 2238726 (1974-02-01), None
patent: 0233331 (1987-08-01), None

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